
/*
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  These are the four essential freedoms with GNU GPL software:
 *  1: freedom to run the program, for any purpose
 *  2: freedom to study how the program works, and change it to make it do what you wish
 *  3: freedom to redistribute copies to help your Free Software friends
 *  4: freedom to distribute copies of your modified versions to your Free Software friends
 *   ,           ,
 *  /             \
 * ((__-^^-,-^^-__))
 * `-_---'  `---_-'
 *  `--|o`   'o|--'
 *      \  `  /
 *       ): :(
 *       :o_o:
 *        "-"
 *
 * SPDX-License-Identifier: GPL-3.0+
 * License-Filename: LICENSE
 */

#ifndef AST_H
#define AST_H 1

/* ast codes */
enum {
	BE_LT,			/* < */
	BE_LTE,			/* <= */
	BE_GT,			/* > */
	BE_GTE,			/* >= */
	BE_EQ,			/* == */
	BE_NEQ,			/* != */
	BE_ADD,			/* + */
	BE_SUB,			/* - */
	BE_MUL,			/* * */
	BE_DIV,			/* / */
	K_NUM,			/* number */
	K_CALL,			/* foo(arg, ...) */
	E_ASSIGN,		/* var=... */
	VAR_NAME,		/* variable name */
	ARRAY_ACCESS,		/* array access foo[index] */
	RETURN,			/* return statement */
	IF,			/* if() */
	COMPOUND,		/* { arg arg } */
	PARAM,			/* int n void m int q[] */
	FUNCTION,		/* function() with params */
	VAR_DECL,		/* var decl with params */
	GOTO,			/* goto */
	NOT			/* !() statement */
};

/* ast */
struct ast {
	int i;
};

#endif

/* end. */
